From: Noam Postavsky <npostavs@gmail.com>
To: Michael Heerdegen <michael_heerdegen@web.de>
Cc: Eli Zaretskii <eliz@gnu.org>,
Stefan Monnier <monnier@iro.umontreal.ca>,
Emacs developers <emacs-devel@gnu.org>
Subject: Re: pcase: Semantics of atom QPATS
Date: Sat, 16 Jun 2018 09:42:40 -0400 [thread overview]
Message-ID: <CAM-tV-_-wzTgFzJtk+Bnf+_cSvfQnuD_6WLrQT+rwqapu2R8gQ@mail.gmail.com> (raw)
In-Reply-To: <87zhzvtced.fsf@web.de>
On 16 June 2018 at 03:32, Michael Heerdegen <michael_heerdegen@web.de> wrote:
>> > - ((or (stringp qpat) (integerp qpat) (symbolp qpat)) `',qpat)
>> > + ((or (stringp qpat) (numberp qpat) (symbolp qpat)) `',qpat)
>>
>> Any reasons to use numberp and not number-or-marker-p?
>
> Is it likely that someone constructs a pcase pattern with a literal
> marker in it? Note this is about the pattern, not about the matched
> value.
It would be pretty difficult to do that since markers don't have a
read syntax. It's possible using a macro which expands to a pcase
form, if you can handle the nested backquotes...
next prev parent reply other threads:[~2018-06-16 13:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-10 0:40 pcase: Semantics of atom QPATS Michael Heerdegen
2018-06-11 14:09 ` Stefan Monnier
2018-06-11 14:45 ` Drew Adams
2018-06-11 15:24 ` Stefan Monnier
2018-06-11 20:53 ` Michael Heerdegen
2018-06-13 3:41 ` Michael Heerdegen
2018-06-13 12:52 ` Stefan Monnier
2018-06-16 4:03 ` Michael Heerdegen
2018-06-16 6:57 ` Eli Zaretskii
2018-06-16 7:32 ` Michael Heerdegen
2018-06-16 7:49 ` Eli Zaretskii
2018-06-17 13:35 ` Michael Heerdegen
2018-06-16 13:42 ` Noam Postavsky [this message]
2018-06-16 12:57 ` Stefan Monnier
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